/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/MeshSimplification.h
Collapse given edge.
[ESimplificationResult](API\Plugins\DynamicMesh\UE__Geometry__ESimplificationRes-) CollapseEdge ( int edgeID, FVector3d vNewPos, [FDynamicMesh3::FEdgeCollapseInfo](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3\FEdgeCollapseInfo) & collapseInfo, int32 RequireKeepVert )